2022-03-08 12:15:03 +00:00
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# fio
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> Flexible I/O tester.
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> Tool that will spawn a number of threads or processes doing a particular type of I/O action.
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> More information: <https://fio.readthedocs.io/en/latest/fio_doc.html>.
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- Test random reads:
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`sudo fio --filename={{path/to/file}} --direct=1 --rw=randread --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name={{job_name}} --eta-newline=1 --readonly`
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- Test sequential reads:
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`sudo fio --filename={{path/to/file}} --direct=1 --rw=read --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name={{job_name}} --eta-newline=1 --readonly`
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- Test random read/write:
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`sudo fio --filename={{path/to/file}} --size=500GB --direct=1 --rw=randrw --bs=4k --ioengine=libaio --iodepth=256 --runtime=120 --numjobs=4 --time_based --group_reporting --name={{job_name}} --eta-newline=1`
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2022-10-01 09:13:26 +01:00
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- Test with parameters from a job file:
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`sudo fio {{path/to/job_file}}`
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2022-10-10 15:31:10 +01:00
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- Convert a specific job file to command-line options:
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`fio --showcmd {{path/to/job_file}}`
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